
dave@dtrt.org | Hilo, Hawaii, USA
Amateur photographer and retired technical writer who focused on documentation for open source software. Sometimes praised and occassionally condemed. Co-author of the Bitcoin Optech weekly newsletter (2018-2025), Mastering Bitcoin, 3E (2023), 21.co Bitcoin Computer tutorials (2015-17), and Bitcoin.org developer documentation (2014-15). Former Brink.dev grant committee member (2022-2025) and board member (2020-22). Previously worked freelance (2007-15).